Stupid question - how to change profile picture?

I'm sure the answer to this is staring me in the face, but I can't for the life of me figure out how to change my profile pic. Is that only possible for the admins?

Go to and sign up for an account there using the same email you used to sign up here. Then upload an avatar there. It'll propagate to here (and other gravatar enabled sites) soon after that.

Never would have figured that out. Thanks!